For Anny Hoang (left), Aliah Anderson and Andrea Zamora it appears to be a typical day at the American Indian charter schools, which are in the throes of turmoil after the director and two principals were fired.

For Anny Hoang (left), Aliah Anderson and Andrea Zamora it appears...

The effort to save three Oakland charter schools has evolved into a chaotic power struggle, with the firing of the American Indian Model Charter Schools director and two principals as well as the resignation of the board president in the last week.

To continue reading this story, you will need to be a digital subscriber to SFChronicle.com.